Spendthrift/ˈspendθrɪft/ Definition 1 of 1Pro Tip 1/3Negative Connotation Spendthrift implies a negative judgment towards careless spending habits. Despite his wealth, his spendthrift habits concerned his family. Pro Tip 2/3Not Budget-Conscious A spendthrift does not think about saving money or budgeting. As a spendthrift, he never checks prices before buying. Pro Tip 3/3Often Excessive The term 'spendthrift' usually implies spending in excess, more than is prudent or wise. The spendthrift bought another car he didn't need.